dddd ddps ddss dhpr dhps dphp dphs dpph dpsd drhs drrs drsp dsdp dsdr dshs dsph dsps dsrp dsrr dssp hdhs hdss hhds hhhh hhhs hpdh hphs hpps hpss hrhs hrpp hrps hshs hsps hssp pdhs pdpr pdrs pdsd pdss phds phhs phrr phrs ppds pphs pppd pppp ppps ppsh ppss prhs prpd prps prrd prrs prsd prss psdp psdr psds pshs psph pspp pspr psps psrd psrp rdhs rhhs rpdp rphs rpps rrhs rrrr rrsp rsdd rsds rshd rshs rsps sdds sdhd sdhs sdpr sdps sdrs sdss shhh shhs shps shrp shrs spdp spdr sphr sphs sppd spps sprd sprs spsd spsp spss srhs srps srsd srsp ssdd ssdp sshs ssps ssrs sssh ssss